13001222001 has 8 divisors (see below), whose sum is σ = 17346350880. Its totient is φ = 8661787232.

The previous prime is 13001221993. The next prime is 13001222009. The reversal of 13001222001 is 10022210031.

It is an interprime number because it is at equal distance from previous prime (13001221993) and next prime (13001222009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13001222001 - 2³ = 13001221993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13001222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418196 + ... + 1427333.

It is an arithmetic number, because the mean of its divisors is an integer number (2168293860).

Almost surely, 2^13001222001 is an apocalyptic number.

It is an amenable number.

13001222001 is a deficient number, since it is larger than the sum of its proper divisors (4345128879).

13001222001 is a wasteful number, since it uses less digits than its factorization.

13001222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847055.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13001222001 its reverse (10022210031), we get a palindrome (23023432032).

The spelling of 13001222001 in words is "thirteen billion, one million, two hundred twenty-two thousand, one".